Roehampton: Peter Makk vs Marcus Walters

Platform comparison

Market context

Peter Makk faces Marcus Walters in qualifying at Roehampton in August 2026, a best-of-three-set match that will determine progression in the tournament draw. The current Polymarket pricing reflects 100% implied probability for Makk's advancement, suggesting conditional token holders have priced in an overwhelming expectation of his victory. On Polygon, this contract settles in USDC once the match concludes and the winner is confirmed, with the 50-50 resolution clause triggered only if the match is cancelled outright, delayed beyond seven days without completion, or ends in a tie—an uncommon outcome in professional tennis.

Qualifying matches at grass-court events carry distinct dynamics compared to main-draw fixtures. Roehampton's surface and early-round context typically favour players with established grass credentials or momentum from preceding tournaments. Historical precedent suggests that when one player enters qualifying with significantly higher ranking or recent form, Polymarket pricing often reflects this asymmetry sharply. The settlement window closes 25 August 2026, providing a two-week buffer beyond the scheduled 18 August date to accommodate weather delays or scheduling adjustments common to British summer tournaments.

Traders should monitor official ATP Challenger or ITF announcements regarding player withdrawals, injury updates, or draw confirmations in the weeks preceding the match. Grass-court preparation tournaments held in the fortnight before Roehampton will signal form and fitness for both players. Any late changes to the qualifying schedule or venue conditions could affect match timing, though the seven-day grace period in the resolution criteria provides substantial protection against minor scheduling shifts.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.